In 2011 almost 9.5 million people were affected by severe drought. So few people dreamt that beneath the sun-scorched, cracked earth was enough water to supply the entire country of 41.6 million people for 70 years.
Under extreme heat conditions, the body's organs begin to shut down. The brain, too, is affected by reduced blood flow. That's why people in the throes of heat illness begin to make poor, often life-threatening decisions.